Calf-raise platform



FIG. 1 is a perspective view of a calf-raise platform, showing my new design;

FIG. 2 is a top perspective view thereof;

FIG. 3 is a bottom perspective view thereof;

FIG. 4 is a front elevational view thereof, the rear elevational view being a mirror image thereof;

FIG. 5 is a left-side elevational view thereof, the right-side elevational view being a mirror image thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines showing a person and an exercise machine in FIG. 1 depict environmental matter and form no part of the claimed design. 

CLAIM The ornamental design for a calf-raise platform, as shown and described. 